if you have that kind of cash forget doing it yourself unless you are a masochist it's easy enough but why do it if you don't have to, have you thought about buying an engine done from a breaker i have just done this and it worked out cheaper and easier if you can find a breaker you can trust for that kind of power you only need a standard engine with a t34 and good head gasket anyway if it's a really good engine obviously you will need ecu and injector upgrade also i would recommend paul at north yorkshire rs spares for an engine. it all depends what you want at end of day